@article {27088,
	title = {Some aspects of high-capacity production with bucket-wheel excavators in open pits. In : The K. A. Clark volume on the Athabasca Oil Sands : a collection of papers on the Athabasca Oil Sands presented to K. A. Clark on the 75th anniversary of his birthday},
	volume = {Information Series No. 45},
	year = {1963},
	note = {Second Athabasca Oil Sands Conference held in the Northern Alberta Jubilee Auditorium, Edmonton on October 30 and 31, 1963},
	pages = {157-170},
	institution = {Research Council of Alberta},
	address = {Edmonton, AB},
	author = {Schellhorn, H. W.}
}
